Jonathan D. Castellanos

Senior Associate
  • Commercial Real Estate Lending
  • Commercial Real Estate Transactions


Jonathan D. Castellanos is a Senior Associate in K&F’s Commercial Real Estate Lending Group and has closed over $2 billion in deals over the course of his career. Jonathan represents lenders and borrowers in connection with their mortgage and/or subordinate financing transactions involving various asset classes. His practice involves drafting and negotiating loan and ancillary documents, leases, opinions, and organizational documents. Jonathan is highly skilled in conducting a full due diligence review of all transaction documents.

Jonathan chairs K&F’s Diversity & Inclusion Committee, an internal forum with a mission of ensuring that all K&F employees are consistently heard, represented, and respected. He has been selected by Super Lawyers® as a “Top Rated Real Estate Attorney” and has been named to New York Metro Super Lawyers ® Rising Stars.

Prior to joining K&F, Jonathan worked at several prominent New York law firms. He received his B.S. in Industrial and Labor Relations from Cornell University and his J.D. from Cornell Law School.

Professional Experience & Memberships

Professional Experience

  • Greenspoon Marder LLP, Real Estate Associate
  • Arent Fox LLP, Real Estate Associate
  • Dechert LLP, Finance and Real Estate Associate

Honors & Awards

  • Selected to New York Metro Super Lawyers® Rising Stars, 2021
  • Cornell Law School Scholarship recipient
  • Paul D. White Scholar
  • Undergraduate Scholarships Received: Cornell Alumni Scholarship, Hispanic Scholarship Fund’s Citi Fellows Award, Don Rosenthal Scholarship, Garrett B. Smith Scholarship, Vuillermet Scholarship, and Samuel & Lillian Pearsall Scholarship


Cornell Law School, J.D. with a Degree Concentration in Advocacy

  • CALI Excellence for the Future Award Recipient
  • Notes Editor for the Journal of Law and Public Policy
  • Moot Court Board
  • Cornell Mock Trial
  • Student Council for: (i) Advocacy for LGBT Communities Clinic and (ii) Family Law Clinic
  • Teaching Assistant for: (i) Real Estate Law and (ii) Law for Entrepreneurs


Cornell University, B.S., Industrial and Labor Relations

  • Dean’s List
  • Pi Kappa Phi, Phi Alpha Delta, Student Assembly, Cornell Delta Epsilon Chi Association, ILR Student Government Association, Society for Human Resource Management, and School of Industrial and Labor Relations Ambassador


State of New York

Commonwealth of Pennsylvania